【#第一文档网# 导语】以下是®第一文档网的小编为您整理的《Past Tense & Perfect Tense (1)》，欢迎阅读！
Simple Past / Simple Perfect (A) 1. Did you like the movie “Star Wars?” I don’t know. I (see, never) _____________ that movie. 2. Sam (arrive) _____________ in San Diego a week ago. 3. My best friend and I (know) ___________ each other for over fifteen years. We still get together once a week. 4. Stinson is a fantastic writer. He (write) ______________ ten very creative short stories in the last year. One day, he’ll be as famous as Hemingway. 5. I (have, not) __________ this much fun since I (be) ____________ a kid. 6. I (tell) ____________ him to stay on the path while he was hiking, but he (wander) ____________ off into the forest and (be) ___________ bitten by a snake. 7. Listen Donna, I don’t care if you (miss) ___________ the bus this morning. You (be) ___________ late to work too many times. You are fired! 8. Sam is from Colorado, which is hundreds of miles from the coast, so he (see, never) ________________ the ocean. He should come with us to Miami. 9. This tree (be) _____________ planted by the settlers who (found) ___________ our city over four hundred years ago. 10. This mountain (be, never) ________________ climbed by anyone. Several mountaineers (try) ____________ to reach the top, but nobody (succeed, ever) _______________. The climb is extremely difficult and many people (die) ____________ trying to reach the summit. (B) Since computers were first introduced the public in the early 1980’s, technology (change) _____________ a great deal. The first computers (be) ___________ simple machines designed for basic tasks. They (have, not) _____________ much memory and they (be, not) _____________ very powerful. Early computers were often quite expensive and customers often (pay) _____________ thousands of dollars for machines which actually (do) _____________ very little. Most computers (be) ___________ separate, individual machines used mostly as expensive typewriters or for playing games. Times (change) ____________. Compters (become) _______________ powerful machines with very practical applications. Programmers (create) _____________ a large selection of useful programs which do everything from teaching foreign languages to bookkeeping. We are still playing video games, but today’s games (become) ____________ faster, more exciting interactive adventures. 本文来源：https://www.dywdw.cn/f2c2082800d8ce2f0066f5335a8102d276a26124.html
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2022-04-17
